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Wed, 27 May 2020 00:41:52 -0800 Received: from MTKMBS32N2.mediatek.inc (172.27.4.72) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 27 May 2020 01:31:58 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by MTKMBS32N2.mediatek.inc (172.27.4.72) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 27 May 2020 16:31:57 +0800 Received: from localhost.localdomain (10.15.43.140) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 27 May 2020 16:31:54 +0800 From: Fengping Yu To: Dmitry Torokhov , Andy Shevchenko , Marco Felsch Subject: [PATCH v9 1/3] dt-bindings: Add keypad devicetree documentation Date: Wed, 27 May 2020 16:31:36 +0800 Message-ID: <20200527083137.56566-2-fengping.yu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200527083137.56566-1-fengping.yu@mediatek.com> References: <20200527083137.56566-1-fengping.yu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 77B63A15266108BE8F185E2AD6C100C1334BE74BC6EDE3EB77F2886018E0A6E82000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200527_014207_177533_006F48BE X-CRM114-Status: GOOD ( 12.93 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "fengping.yu" , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-input@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: "fengping.yu" Add Mediatek matrix keypad dt-bindings doc as yaml schema. Signed-off-by: fengping.yu --- .../devicetree/bindings/input/mtk-kpd.yaml | 94 +++++++++++++++++++ 1 file changed, 94 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/mtk-kpd.yaml diff --git a/Documentation/devicetree/bindings/input/mtk-kpd.yaml b/Documentation/devicetree/bindings/input/mtk-kpd.yaml new file mode 100644 index 000000000000..d5068720e5b4 --- /dev/null +++ b/Documentation/devicetree/bindings/input/mtk-kpd.yaml @@ -0,0 +1,94 @@ +%YAML 1.2 +--- +version: 1 + +$id: http://devicetree.org/schemas/input/mtk-keypad.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek's Keypad Controller device tree bindings + +maintainer: + - Fengping Yu + +description: | + Mediatek's Keypad controller is used to interface a SoC with a matrix-type + keypad device. The keypad controller supports multiple row and column lines. + A key can be placed at each intersection of a unique row and a unique column. + The keypad controller can sense a key-press and key-release and report the + event using a interrupt to the cpu. + +properties: + compatible: + oneOf: + - const: "mediatek,mt6779-keypad" + - const: "mediatek, kp" + + clock-names: + description: Names of the clocks listed in clocks property in the same order + maxItems: 1 + + clocks: + description: Must contain one entry, for the module clock + refs: devicetree/bindings/clocks/clock-bindings.txt for details. + + interrupts: + description: A single interrupt specifier + maxItems: 1 + + linux,keymap: + description: The keymap for keys as described in the binding document + refs: devicetree/bindings/input/matrix-keymap.txt + minItems: 1 + maxItems: 16 + + pinctrl-0: + description: Specify pin control groups used for this controller + refs: devicetree/bindings/pinctrl/pinctrl-bindings.txt + + pinctrl-names: + description: Names for optional pin modes + maxItems: 1 + + reg: + description: The base address of the Keypad register bank + maxItems: 1 + + wakeup-source: + description: use any event on keypad as wakeup event + type: boolean + + keypad,num-columns: + description: Number of column lines connected to the keypad controller, + it is not equal to PCB columns number, instead you should add required value + for each IC + + keypad,num-rows: + description: Number of row lines connected to the keypad controller, it is + not equal to PCB rows number, instead you should add required value for each IC + + mediatek,debounce-us: + description: Debounce interval in microseconds + maximum: 256000 + +required: + - compatible + - reg + - interrupts + - linux,keymap + - pinctrl + - clocks + - clock-names + +examples: + - | + + keypad: kp@10010000 { + compatible = "mediatek,kp"; + reg = <0 0x10010000 0 0x1000>; + linux,keymap = < MATRIX_KEY(0x00, 0x00, KEY_VOLUMEDOWN) >; + interrupts = ; + clocks = <&clk26m>; + clock-names = "kpd"; + pinctrl-names = "default"; + pinctrl-0 = <&kpd_gpios_def_cfg>; + }; -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel